What was found
LEFT WING NR 4 SPOILER BLADE SEAL RETAINING FASTENER INSERTS HAVE AREAS OF DELAMINATION AROUND THEM ON UPPER SURFACE. PREPARED DAMAGED AREA FABRICATED FILLER AND DOUBLER AND BONDED IAW B737 400 SRM 51 70 10 PGS 212 214 254 REPAIR 4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT WING NR 4 SPOILER BLADE SEAL RETAINING FASTENER INSERTS HAVE AREAS OF DELAMINATION AROUND THEM ON UPPER SURFACE. PREPARED DAMAGED AREA FABRICATED FILLER AND DOUBLER AND BONDED IAW B737 400 SRM 51 70 10 PGS 212 214 254 REPAIR 4.